#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>


int main() {
    int a = 0;
    int i = 0;
    int j = 0;
    while (scanf("%d", &a) != EOF)
    {
        for (i = 1; i <= a; i++)
        {
            for (j = 1; j <= i; j++)
            {
                printf("%d ", j);
            }
            printf("\n");
        }
    }
    return 0;
}
